See NEC 250.52.

If there is 10 feet of pipe in the ground, that qualifies as a grounding electrode. The foundation rebar qualifies as a grounding electrode too, but it must have a length of at least 20 feet. If using multiple pieces to get 20 feet they must be bonded (or simply wired) together.

Kent Osterberg
Blue Mountain Solar, Inc.


toddc...@finestplanet.com wrote:

Does anyone know if it is ok to use the rebar in a pole mount foundation as a ufer ground? I need to ask the inspector too, but thought I'd ask here first.

 

Todd

 


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